adjective / noun
derelict
DER-uh-likt/ˈderəlɪkt/
Left neglected through failure of care or duty.
The derelict house has broken windows, a collapsing roof, and weeds across its entrance.

Etymology
The pieces convey being left entirely behind. Originally used especially of abandoned vessels, the word connects poor condition with abandonment by an owner or guardian.
In context
the derelict house in a neighborhood that was otherwise quite lived in
More examples
- The abandoned ship is a rusting derelict.
- The landlord is derelict in his duty to maintain safe housing.
- Calling a homeless person a derelict is disparaging.
Forms
derelict · derelicts
dereliction noun — Serious neglect of a duty or responsibility.